<!--先通过template定义组件的UI结构-->
<template>
  <div>
    <!--    面包屑导航区域-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--    卡片视图区域-->
    <el-card class="box-card">
      <!--      搜索与添加区域-->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.goodsName" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search"  @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!--      table表格区域-->
      <el-table :data="goodslist" border stripe>
        <el-table-column label="#" type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goodsName"></el-table-column>
        <el-table-column label="商品价格（元）" prop="goodsPrice" width="100px"></el-table-column>
        <el-table-column label="商品重量" prop="goodsWeight"  width="100px"></el-table-column>
        <el-table-column label="商品余量" prop="goodsNumber"  width="100px"></el-table-column>
        <el-table-column label="商品图片" width="80px">
          <template v-slot="scope">
            <img style="width: 40px;height: 40px" :src="'http://localhost:8088/img/'+scope.row.imageUrl.split(',')[1]">
          </template>
        </el-table-column>
        <el-table-column label="操作"  width="130px">
          <template v-slot="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goodsId)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!--      分页-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pageNum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total" background>
      </el-pagination>
    </el-card>
  </div>
</template>
<!--定义当前组件的行为-->
<script>
export default {
  // 私有数据节点
  data () {
    return {
      // 查询参数对象
      queryInfo: {
        goodsName: '',
        pageNum: 1,
        pageSize: 10
      },
      // 商品列表
      goodslist: [],
      // 总数据条数
      total: 0
    }
  },
  // 生命周期函数
  created () {
    this.getGoodsList()
  },
  // 所有时间处理
  methods: {
    // 根据分页获取对应的商品列表
    async getGoodsList () {
      const { data: res } = await this.$http.get('getgoods', { params: this.queryInfo })
      if (res.status !== 200) {
        return this.$message.error('获取商品列表失败!')
      }
      this.goodslist = res.data.list
      this.total = res.data.total
    },
    handleSizeChange (newSize) {
      this.queryInfo.pageSize = newSize
      this.getGoodsList()
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pageNum = newPage
      this.getGoodsList()
    },
    async removeById (goodsId) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已经取消删除!')
      }
      const { data: res } = await this.$http.get('deletegoodsbyid', { params: { goodsId: goodsId } })
      if (res.status !== 200) {
        return this.$message.error('删除失败!')
      }
      this.$message.success('删除成功!')
      this.getGoodsList()
    },
    goAddPage () {
      this.$router.push('/goodsmanageadd')
    }
  }
}
</script>
<!--scoped 防止不同组件之间的样式冲突-->
<style lang="less" scoped></style>
